Dr. Kathy Hsiao is a pelvic surgeon with over 20 years of experience. She specializes in gender affirming hysterectomy as well as fertility and pelvic health for Transmen and the LGBTQ community. Dr. Hsiao has lectured internationally at WPATH 2014, WPATH 2016, Gender Spectrum and the UCSF National Transgender Health Summit. She currently serves as Chief of Gynecology at CPMC Sutter Health and is an Associate Clinical Professor at the University of California at San Francisco. Dr. Hsiao serves on the Medical Advisory Board for UCSF's Center of Excellence for Transgender Health

She testified as a medical expert witness for the May 2014 landmark appeal of the U.S. Department of Health and Human Services Medicare NCD 140.3 for transgender sex reassignment surgery. This successful federal appeal led to Medicare coverage of gender affirming surgery. Dr. Hsiao did her OBGYN residency training at UCSF and is a graduate of Cornell University and the University of Buffalo.